%I #7 Apr 09 2014 10:15:52
%S 1,2,3,4,6,5,7,8,9,11,12,10,13,14,17,16,15,19,20,22,18,23,21,25,24,26,
%T 27,28,29,31,32,34,33,35,36,37,30,38,39,41,42,43,40,44,46,47,45,49,50,
%U 52,51,53,48,55,54,58,57,59,56,61,62,64,63,65,66,67,60,68,69,71,72,70
%N Inverse permutation to sequence A121730.
%C Sequence is a permutation of the positive integers.
%Y Cf. A121730.
%K nonn
%O 1,2
%A _Leroy Quet_, Aug 18 2006
%E Extended by _Ray Chandler_, Aug 22 2006